«كان إذا ذبح الشاة يقول: أرسلوا بها إلى أصدقاء خديجة»
It was the practice of the Prophet (peace and blessings be upon him):
"When he (peace and blessings be upon him) slaughtered a sheep, he would say: Send some of it to the friends of Khadijah."
Hadith Referenceصحیح الجامع الصغیر / حرف الكاف / 4722